US10393764B2 - Solid waste removal - Google Patents

Solid waste removal Download PDF

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Publication number
US10393764B2
US10393764B2 US15/184,043 US201615184043A US10393764B2 US 10393764 B2 US10393764 B2 US 10393764B2 US 201615184043 A US201615184043 A US 201615184043A US 10393764 B2 US10393764 B2 US 10393764B2
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Prior art keywords
waste
ramp
solid waste
waste bin
bin
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US15/184,043
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US20160370395A1 (en
Inventor
Andre Peter
Markus Troxler
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Roche Molecular Systems Inc
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Roche Molecular Systems Inc
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Assigned to ROCHE DIAGNOSTICS INTERNATIONAL AG reassignment ROCHE DIAGNOSTICS INTERNATIONAL AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TROXLER, MARKUS, PETER, ANDRE
Assigned to ROCHE MOLECULAR SYSTEMS, INC. reassignment ROCHE MOLECULAR SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROCHE DIAGNOSTICS INTERNATIONAL AG
Publication of US20160370395A1 publication Critical patent/US20160370395A1/en
Priority to US16/517,370 priority Critical patent/US11385247B2/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00594—Quality control, including calibration or testing of components of the analyser
    • G01N35/00613—Quality control
    • G01N35/00663—Quality control of consumables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/0099—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor comprising robots or similar manipulators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N2035/00178—Special arrangements of analysers
    • G01N2035/00188—Special arrangements of analysers the analyte being in the solid state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N2035/00178—Special arrangements of analysers
    • G01N2035/00277—Special precautions to avoid contamination (e.g. enclosures, glove- boxes, sealed sample carriers, disposal of contaminated material)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N2035/00891—Displaying information to the operator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
    • G01N35/04—Details of the conveyor system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices

Definitions

  • the present invention relates to removal of used solid waste within an automated analyzer.
  • Automated analyzers use different types of consumables, e.g. multiwell plates, tip racks, reagent cassettes, and/or other types of solid containers to perform an automated analytical assay.
  • consumables e.g. multiwell plates, tip racks, reagent cassettes, and/or other types of solid containers to perform an automated analytical assay.
  • a waste compartment or waste bin as solid waste.
  • the solid waste is accumulated in the waste compartment or waste bin.
  • the operator has to empty the compartment or remove the waste bin and either replace it with an empty waste bin or empty the waste bin and place it back in the analyzer.
  • the waste capacity often dictates the maximum number of tests the analyzer can perform before the waste is removed.
  • the present invention provides for a new method, analyzer and system which improve the waste capacity of an automated analyzer.
  • the present invention relates to a method for dropping solid waste into a waste bin in an automated analyzer.
  • the method comprises providing a transport mechanism for transporting said solid waste to said waste bin.
  • the transport mechanism comprises a sliding mechanism with a slider, said slider being configured to push the solid waste into the waste bin.
  • the sliding mechanism further comprises at its end a ramp, wherein said ramp is extendable over and into the waste bin and at least partly flexible.
  • the method further comprises placing a solid waste into a parking position associated with the transport mechanism, wherein said parking position is located between the slider and an opening of the transport mechanism, said opening of the transport mechanism being in proximity to the waste bin.
  • the method comprises pushing said solid waste towards the waste bin along the extendable ramp with said slider until said solid waste glides on the extendable ramp into the waste bin.
  • the present invention also relates to an automated analyzer comprising a waste bin, said waste bin being configured to receive solid waste, wherein said analyzer comprises a transport mechanism for transporting said solid waste to said waste bin, said transport mechanism comprising a sliding mechanism with a slider, said slider being configured to push the solid waste into the waste bin, said sliding mechanism further comprising at its end a ramp, wherein said ramp is extendable over and into the waste bin and at least partly flexible.
  • the present invention also relates to a system comprising an automated analyzer as described herein and a computer controller.
  • the computer controller is configured to push solid waste into the waste bin and to sense if a solid waste is present on top of a pile and to push said solid waste into another location of the waste bin.
  • the computer controller is further configured to issue a warning message to a screen when solid waste on top of a pile cannot be moved to a different location within the waste bin.
  • FIG. 1 shows an exemplary transport mechanism for transporting solid waste into a waste bin.
  • FIG. 2 shows a transport mechanism with the extended ramp.
  • FIGS. 3A, 3B, and 3C show different stages of filling of solid waste in the waste bin.
  • FIGS. 4A and 4B show two embodiments of a system of the present invention.
  • the present invention relates to a method for dropping solid waste into a waste bin in an automated analyzer.
  • the method comprises providing a transport mechanism for transporting said solid waste to said waste bin.
  • the transport mechanism comprises a sliding mechanism with a slider, said slider being configured to push the solid waste into the waste bin.
  • the sliding mechanism further comprises at its end a ramp, wherein said ramp is extendable over and into the waste bin and at least partly flexible.
  • the method further comprises placing a solid waste into a parking position associated with the transport mechanism, wherein said parking position is located between the slider and an opening of the transport mechanism, said opening of the transport mechanism being in proximity to the waste bin.
  • the method comprises pushing said solid waste towards the waste bin along the extendable ramp with said slider until said solid waste glides on the extendable ramp into the waste bin.
  • the ramp is extendable along a bent curve over and into the waste bin and the ramp is at least partly made of a flexible material.
  • solid waste relates to solid parts used in an analytical system or apparatus which, after use, have to be removed from the automated analyzer.
  • solid waste comprises consumables.
  • consumables may include, without limitation, pipette tip racks comprising used pipette tips, used single tubes, used multiwell plates, used reagent cassettes etc. While some consumables may be used only once in the automated analyzer and then have to be removed, others may be used multiple times before they are used up and have to be removed from the automated analyzer. Removal of such solid waste is effected by dropping the solid waste in a waste bin.
  • automated analyzer refers to any kind of automated or semi-automated device for use in laboratory work in the clinical, chemical, biological, immunology or pharmaceutical area or the like.
  • a laboratory device may comprise, amongst other things, at least one of an analytical instrument (such as clinical chemistry analyzers, coagulation chemistry analyzers, immunochemistry analyzers, urine analyzers), a transfer device (such as a conveyor, gripper, magnetic transfer surface), a storage unit, a liquid processing unit (such as a pipetting unit), a processor (such as a sample preparation device), a user interface, a mixing unit (such as a stirrer; a shaker or an agitator), a tempering device (such as a heater/cooler), a waste station, an aliquoter, a data management system, laboratory information system (LIS) or the like.
  • an analytical instrument such as clinical chemistry analyzers, coagulation chemistry analyzers, immunochemistry analyzers, urine analyzers
  • a transfer device such as a conveyor
  • transport mechanism as used herein relates to any transport mechanism that is suitable to transport a solid waste into a waste bin.
  • the transport mechanism comprises a sliding mechanism with a slider.
  • the transport mechanism may also comprise other transport devices, such as grippers or conveyors, to transport the solid waste from the location of its last use to the sliding mechanism.
  • sliding mechanism as used herein relates to a mechanism which comprises a slider.
  • the sliding mechanism allows the solid waste to slide into the waste bin.
  • the sliding mechanism further comprises at its end a ramp.
  • the ramp is extendable over and into the waste bin and at least partly flexible. Thus, when a solid waste is pushed onto the ramp, the ramp bends downwards and allows the solid waste to glide into the waste been located underneath the ramp.
  • sliding relates to a device which is configured to push the solid waste in the direction of the waste bin.
  • the term “ramp” as used herein relates to the end part of the sliding mechanism.
  • the ramp is partly flexible. When a solid waste, such as a tip rack or a multiwell plate, is pushed onto the ramp by the slider, the ramp bends downwards and allows the solid waste to glide into the waste bin located underneath the ramp.
  • the term “extendable” as used herein means that the ramp is capable to extend over and into the waste bin.
  • the ramp does not have to be permanently in such an extended position. It may move between a position where it does not extend over and into the waste bin and a position which extends over and into the waste bin. Such a position may be taken when either no solid waste needs to be dropped into the waste bin, or when the waste bin has to be removed for emptying.
  • the ramp may then move from the position where it does not extend over and into the waste bin to the position which extends over and into the waste bin. In this position, the ramp, then, bends downwards and allows the solid waste to glide into the waste bin.
  • the ramp may also take the position which extends over and into the waste bin to detect if the waste bin is filled or if there is still space in the waste bin for further solid waste.
  • the partly flexible ramp is sliding along a bent curve, allowing the ramp to move over and into the waste bin without contacting the waste bin.
  • the ramp moves forward and bends, allowing the consumable to glide into the waste bin.
  • the term “at least partly flexible” as used herein relates to a property of the ramp.
  • the property is due to the material of the ramp. Any material that allows the ramp to extend over and into the waste bin from a position over the waste bin, even if no solid waste is located on the ramp, is suitable.
  • Such materials may include thermoplastic materials, and as specific non-limiting examples, Polyoxymethylene (POM) or Polyethylene (PE).
  • parking position as used herein relates to a position associated with the transport mechanism.
  • the parking position is on the side of the slider which is proximal to the waste bin.
  • the solid waste to be transported to the waste bin is placed on the parking position.
  • opening relates to an opening in the transport mechanism on the side where the waste bin is located that allows the solid waste to be pushed to the ramp, to move through this opening and to glide over the ramp into the waste bin.
  • the term “proximity” as used herein relates to the location of the opening in the transport mechanism.
  • the transport mechanism has to be open on the side which is in proximity to the waste bin such that the ramp is capable to extend over and into the waste bin and the solid waste can glide down the ramp into the waste bin.
  • glide as used herein relates to the movement of the solid waste when it moves over the ramp. When the solid waste reaches the end of the ramp, it will drop into the waste bin.
  • the advantage of such a method of dropping, solid waste into a waste bin in an automated analyzer is that solid waste can be distributed better in the waste bin. This increases the capacity of the waste bin. The more solid waste the waste bin can take up, the longer it takes until it has to be removed and emptied. This significantly influences the walk-away time for the automated analyzer. If the analyzer is set to run continuously, the walkaway time is governed by the time it takes to use the unused consumables loaded on the automated analyzer, or the time it takes for the waste bin to be full, or the time until reagents are used up.
  • the automated analyzer is designed to take up a sufficient amount of new, unused consumables and reagents, then, a premature requirement to empty the waste bin due to inefficient filling of the waste bin can significantly impair the maximum walk-away time as originally designed by the capacity to load empty consumables and reagents. This can be avoided with the automated analyzer according to the present invention.
  • Another advantage is that the extendable ramp of the present invention is integrated into a sliding mechanism and thereby ensures that the solid waste is pushed into the waste bin.
  • a solid waste is loaded into the parking position.
  • the slider is positioned on the side of the solid waste which opposes the side proximal to the opening.
  • the slider is attached to a conveyor belt and executes a horizontal movement toward a defined end position. Thus, the slider is moved by the conveyor belt.
  • the end position is close to or at the opening of the transport mechanism.
  • the ramp is coupled to the conveyor belt.
  • the movement of the ramp is synchronous to the movement of the slider.
  • the ramp is moving along a bent curve, allowing the shaft to move into the waste bin located underneath the extended ramp.
  • the waste bin is located in a waste drawer.
  • the operator can open the waste drawer to add or remove the waste bin.
  • the ramp of the present invention moves into and out of the waste bin in a contactless manner, no additional weight occurs for the waste drawer. This makes it easier to open and close the waste drawer, and reduces wear of the waste drawer.
  • the term “contactless” as used herein is understood to mean that the extendable ramp moves into and out of the waste bin without contacting the waste bin.
  • the solid waste container of the method described herein comprises a solid waste bag. In one embodiment, it comprises more than one solid waste bag.
  • a further advantage is that the present invention reduces the kinetic and potential energy of solid waste which leads to a reduced stress of the solid waste bags and, hence, less perforation of the solid waste bags occurs.
  • the ramp described herein guides consumables holding pipette tips, such as tip racks, into the waste bin which leads to significantly less tips dropping out of the containers and consequently, lower requirements for solid waste has regarding perforation resistance.
  • said extendable ramp is configured as a tactile sensor for detecting jammed solid waste along a sliding path.
  • the term “tactile sensor” as used herein relates to the ability of the ramp to sense a solid item by touching it.
  • the ramp can detect the fill level of the waste bin by sensing whether it touches something solid (i.e. a solid waste) or not. If it touches a solid waste, this means that the waste bin has a certain fill level. If it does not touch anything solid, this means that there is still enough space in the waste bin for further solid waste.
  • the tactile sensor also allows to detect jammed solid waste.
  • jammed solid waste as used herein relates to solid waste, e.g. in specific embodiments consumables, which have become stuck in the waste bin and prevent the waste bin from taking up more solid waste although there would still be space in it.
  • jammed solid waste may be the result of random piles being formed by dropped solid waste.
  • tip racks may form piles when dropping in the waste bin. Such piles may build up until the top end of the waste bin is reached. The waste bin then cannot take up more solid waste since the transport mechanism would be blocked and additional solid waste would be prevented from gliding into the waste bin.
  • sliding path as used herein relates to the path that a solid waste takes when being transported into the waste bin.
  • the sliding path thus, describes the path of the sliding mechanism.
  • detecting jammed solid waste is understood to mean that when the ramp touches jammed solid waste, this is translated into a signal which is provided to the automated analyzer.
  • said extendable ramp is configured to move solid waste present on top of a pile inside the waste bin to another location inside the waste bin. This leads to a better distribution of the solid waste.
  • solid waste can build up piles in a waste bin. Such buildups are also referred to as jammed solid waste.
  • the solid waste present on top of the piles can be moved by the extendable ramp. When it is moved, it is moved to another, still empty location of the waste bin. This results in a better distribution of the solid waste in the waste bin. More solid waste can be filled into the waste bin until the solid waste in the bin reaches the upper end of the waste bin, and the waste bin has to be removed, by the operator and emptied.
  • the extendable ramp is configured to detect jammed solid waste. In a more specific embodiment, the extendable ramp is configured to detect jammed solid waste which cannot be moved to a different location within the waste bin. This permits a better distribution of the solid waste in the waste bin.
  • the automated analyzer additionally comprises a sensor system functionally coupled to said ramp and configured to monitor the level of piled solid waste inside the waste bin.
  • the extendable ramp is able to detect the level of solid waste more reliably than an optical sensor. This is due to the ramp sliding along the dropping zone of the solid waste, hence any piled solid waste will be detected.
  • the sensor system for detecting the level of solid waste in the waste bin comprises detection of motor current of the ramp drive.
  • said automated analyzer comprises a computer controller and a screen, wherein said computer controller is configured to issue a warning message when solid waste on top of a pile cannot be moved to a different location within the waste bin.
  • a computer controller as used herein relates to a computer controller associated with the automated analyzer or the system comprising the automated analyzer.
  • warning message as used herein relates to a message displayed by the computer controller on a screen, or an indicator (e.g. a light or a visual message or a voice message) being activated to warn the operator that the waste bin has to be emptied.
  • an indicator e.g. a light or a visual message or a voice message
  • the warning message is displayed on a screen.
  • a screen as used herein relates to a screen mounted on the automated analyzer. Such screens are well known in the art and may display different types of information relating to the analyzer status.
  • a movable lid is attached to the conveyor belt and opens or closes the parking position, depending on the position of the slider.
  • the present invention also relates to an automated analyzer comprising a waste bin, said waste bin being configured to receive solid waste.
  • the analyzer comprises a transport mechanism for transporting the solid waste to the waste bin.
  • the transport mechanism comprises a sliding mechanism with a slider.
  • the slider is configured to push the solid waste into the waste bin.
  • the sliding mechanism further comprises at its end a ramp, wherein said ramp is extendable over and into the waste bin and at least partly flexible.
  • the advantage of such an automated analyzer is that solid waste can be distributed better in the waste bin. This increases the capacity of the waste bin. The more solid waste the waste bin can take up, the longer it takes until it has to be removed and emptied. This significantly influences the walk-away time for the automated analyzer. If the analyzer is set to run continuously, the walkaway time is governed by the time it takes to use the unused consumables loaded on the automated analyzer, or the time it takes for the waste bin to be full, or the time until reagents are used up.
  • the automated analyzer is designed to take up a sufficient amount of new, unused consumables and reagents, then, a premature requirement to empty the waste bin due to inefficient filling of the waste bin can significantly impair the maximum walk-away time as originally designed by the capacity to load empty consumables and reagents. This can be avoided with the automated analyzer according to the present invention.
  • the solid waste container comprises at least one solid waste bag.
  • the present invention reduces the kinetic and potential energy of solid waste which leads to a reduced stress of the solid waste bags and, hence, less perforation of the solid waste bags occurs.
  • the ramp described herein guides consumables holding pipette tips, such as tip racks, into the waste bin which leads to significantly less tips dropping out of the containers and, consequently, lower requirements for waste bags regarding perforation resistance.
  • the waste bin is located in a waste drawer.
  • the operator can open the waste drawer to add or remove the waste bin.
  • the ramp of the present invention moves into and out of the waste bin in a contactless manner, no additional weight occurs for the waste drawer. This makes it easier to open and close the waste drawer, and reduces wear of the waste drawer.
  • the term “contactless” as used herein is understood to mean that the extendable ramp moves into and out of the waste bin without contacting the waste bin.
  • said extendable ramp is configured as a tactile sensor for detecting jammed solid waste along a sliding path.
  • the automated analyzer additionally comprises a sensor system functionally coupled to said ramp and configured to monitor the level of piled solid waste inside the waste bin.
  • the extendable ramp is able to detect the level of solid waste more reliably than an optical sensor. This is due to the ramp sliding along the dropping zone of the solid waste, hence any piled solid waste will be detected.
  • the sensor system for detecting the level of solid waste in the waste bin comprises detection of motor current of the ramp drive.
  • said extendable ramp is configured to move solid waste present on top of a pile inside the waste bin to another location inside the waste bin. This leads to a better distribution of the solid waste.
  • solid waste can build up piles in a waste bin. Such buildups are also referred to as jammed solid waste.
  • the solid waste present on top of the pile can be moved by the extendable ramp. When it is moved, it is moved to another, still empty location of the waste bin. This results in a better distribution of the solid waste in the waste bin. More solid waste can be filled into the waste bin until the solid waste in the bin reaches the upper end of the waste bin, and the waste bin has to be removed by the operator and emptied.
  • the extendable ramp is configured to detect jammed solid waste. In a more specific embodiment, the extendable ramp is configured to detect jammed solid waste which cannot be moved to a different location within the waste bin. This permits a better distribution of the solid waste in the waste bin.
  • said solid waste comprises consumables.
  • the consumables comprise at least one of a tip rack, a multiwell plate, a reagent container.
  • the automated analyzer comprises a movable lid attached to the conveyor belt and configured to open or close the parking position, depending on the position of the slider.
  • the present invention also relates to a system comprising an automated analyzer as described herein and a computer controller.
  • the computer controller is configured to push solid waste into the waste bin and to sense if a solid waste is present on top of a pile and to push said solid waste into another location of the waste bin.
  • the computer controller is further configured to issue a warning message to a screen when solid waste on top of a pile cannot be moved to a different location within the waste bin.
  • Specific embodiments of the automated analyzer or the process controlled by the computer controller are as described for the automated analyzer or the process of the present invention.
  • Consumables such as multiwell plates, deep well plates, tip racks are held in the automated analyzer during their use. Once the consumables are ready to waste, a command is given to initiate a waste procedure for the foreseen consumable.
  • a transport system such as a conveyor or a gripper transports the consumable to the parking position of the transport mechanism for transporting said solid waste to a waste bin.
  • a sensor detects the presence of the consumable and initiates a method for dropping solid waste into a waste bin.
  • a slider which is positioned at the side of the consumable which is opposite of the opening of the transport mechanism towards the waste bin, and is attached to a conveyor, executes a horizontal motion towards a defined end position.
  • An extendable and partly flexible ramp which is coupled to the conveyor at the end of the conveyor proximal to the opening of the transport mechanism moves synchronously to the slider as the consumable is being pushed by the slider along the conveyor. Underneath the end position of the slider, a solid waste bin is located.
  • the partly flexible ramp is sliding along a bent curve, allowing the ramp to move over and into the waste bin without contacting the waste bin. As the consumable is pushed onto the ramp, the ramp moves forward and bends, allowing the consumable to glide into the waste bin
  • a software controlling the movement of the ramp allows detecting and adjusting the force of the ramp to a specific adjusted force. If the ramp collides with a movable consumable, the force will remain below the adjusted force and the ramp will continue its movement, thereby displacing the loose consumable with which it collided. If the ramp collides with a blocked consumable (i.e. when the waste bin is full), the force detected is above the adjusted force. The movement of the ramp is aborted as the consumable cannot be displaced. The control unit with the software controlling the movement of the ramp then registers this as detection of a blocked pile of solid waste. In this manner, the ramp can act as a tactile sensor.
  • FIG. 1 shows a transport mechanism ( 1 ).
  • the transport mechanism ( 1 ) comprises a parking position ( 6 ).
  • a gripper ( 10 ) may load a solid waste ( 2 ) in the parking position.
  • Other mechanisms to load a solid waste ( 2 ) in a parking position ( 6 ) may be envisioned as well, such as, e.g. a conveyor.
  • the conveyor is driven by a motor ( 15 ).
  • the transport mechanism ( 1 ) comprises a sliding mechanism ( 3 ).
  • the sliding mechanism ( 3 ) comprises a slider ( 4 ).
  • the slider ( 4 ) is located on the distal side, relative to the ramp ( 5 ) and the opening ( 7 ) of the transport mechanism ( 1 ). From this position, the slider ( 4 ) may, then, push the solid waste ( 2 ) forward onto the extendable ramp ( 5 ).
  • the slider is attached to a conveyor belt ( 8 ).
  • the ramp ( 5 ) in one embodiment, connected to the conveyor belt ( 8 ).
  • the slider ( 4 ) and the extendable ramp ( 5 ) are connected to the conveyor belt ( 8 ).
  • An opening ( 7 ) is present in the transport mechanism ( 1 ) on the side of the transport mechanism ( 1 ) proximal to the waste bin ( 12 ).
  • the transport mechanism ( 1 ) comprises a closure or lid ( 9 ).
  • the lid is attached to the conveyor belt. The movement of lid and slider are, thus, synchronized. When the slider moves a solid waste to the bin, the lid moves underneath the parking position. This allows prevention of contamination or prevents aerosol distribution.
  • the ramp ( 5 ) extends into the waste bin and allows the solid waste ( 2 ) to glide into the waste bin. This is shown in FIG. 2 .
  • the slider ( 4 ) has moved to the opening ( 7 ) of the transport mechanism ( 1 ).
  • FIG. 3A shows a section of a part of an exemplary automated analyzer ( 11 ).
  • Waste bin ( 12 ) is shown, and a solid waste ( 2 ) sitting on an extendable ramp ( 5 ) before gliding into the waste bin ( 12 ).
  • a waste bag ( 14 ) is placed in waste bin ( 12 ).
  • solid waste ( 2 ) is already present in the waste bin ( 12 ).
  • the extendable ramp ( 5 ) is seen in an extended state, extending into the waste bin ( 12 ).
  • FIG. 3C shows piles of solid waste ( 13 a ) and ( 13 b ).
  • the extendable ramp ( 5 ) moves until it collides with pile ( 13 a ). If pile ( 13 a ) is a blocking pile, the control unit controlling the movement of extendable ramp ( 5 ) registers that the extendable ramp ( 5 ) cannot move beyond the position of pile ( 13 a ).
  • FIGS. 4A and 4B each show a system ( 16 ) comprising an analyzer ( 11 ) and a computer controller ( 17 ).
  • the computer controller ( 17 ) is located inside the automated analyzer ( 11 ).
  • the computer controller ( 17 ) of the system ( 16 ) is located outside the automated analyzer ( 11 ).
  • the analyzer ( 11 ) is as described herein.
  • the computer controller ( 17 ) is configured to push solid waste ( 2 ) into the waste bin ( 12 ) and to sense if a solid waste ( 2 ) is present on top of a pile ( 13 ) and to push said solid waste ( 2 ) into another location of the waste bin ( 12 ).

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  • Quality & Reliability (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Processing Of Solid Wastes (AREA)
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CN106257290B (zh) 2018-08-10
US11385247B2 (en) 2022-07-12
US20160370395A1 (en) 2016-12-22
CN106257290A (zh) 2016-12-28
JP2017009604A (ja) 2017-01-12
JP6731796B2 (ja) 2020-07-29
US20200088752A1 (en) 2020-03-19
EP3106876B1 (de) 2022-12-07

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